Fixed IS_REFERENCE handling

diff --git a/ext/standard/string.c b/ext/standard/string.c
index c2acc16d142cdc4bc1fc92ff0f0cf7de6fc9d7f5..98b6547b58a60aebbb3fb5657d45b3524cea1b2a 100644 (file)
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -3221,6 +3221,7 @@ PHP_FUNCTION(similar_text)
        }
 
        if (ac > 2) {
+               percent = Z_REFVAL_P(percent);
                convert_to_double_ex(percent);
        }